diff --git a/.config/nvchecker/new_ver.json b/.config/nvchecker/new_ver.json
new file mode 100644
index 00000000..9694764e
--- /dev/null
+++ b/.config/nvchecker/new_ver.json
@@ -0,0 +1,15 @@
+{
+  "version": 2,
+  "data": {
+    "codebook": {
+      "version": "0.2.12",
+      "gitref": "refs/tags/v0.2.12",
+      "url": "https://github.com/blopker/codebook/releases/tag/v0.2.12"
+    },
+    "iwe": {
+      "version": "iwe-v0.0.31",
+      "gitref": "refs/tags/iwe-v0.0.31",
+      "url": "https://github.com/iwe-org/iwe/releases/tag/iwe-v0.0.31"
+    }
+  }
+}
diff --git a/.config/nvchecker/nvchecker.toml b/.config/nvchecker/nvchecker.toml
new file mode 100644
index 00000000..67c8e465
--- /dev/null
+++ b/.config/nvchecker/nvchecker.toml
@@ -0,0 +1,15 @@
+[__config__]
+oldver = "old_ver.json"
+newver = "new_ver.json"
+
+[codebook]
+source = "github"
+github = "blopker/codebook"
+prefix = "v"
+use_latest_release = true
+
+[iwe]
+source = "github"
+github = "iwe-org/iwe"
+prefix = "v"
+use_latest_release = true
diff --git a/.config/nvchecker/old_ver.json b/.config/nvchecker/old_ver.json
new file mode 100644
index 00000000..9694764e
--- /dev/null
+++ b/.config/nvchecker/old_ver.json
@@ -0,0 +1,15 @@
+{
+  "version": 2,
+  "data": {
+    "codebook": {
+      "version": "0.2.12",
+      "gitref": "refs/tags/v0.2.12",
+      "url": "https://github.com/blopker/codebook/releases/tag/v0.2.12"
+    },
+    "iwe": {
+      "version": "iwe-v0.0.31",
+      "gitref": "refs/tags/iwe-v0.0.31",
+      "url": "https://github.com/iwe-org/iwe/releases/tag/iwe-v0.0.31"
+    }
+  }
+}
diff --git a/.config/nvchecker/old_ver.json~ b/.config/nvchecker/old_ver.json~
new file mode 100644
index 00000000..22bdaf21
--- /dev/null
+++ b/.config/nvchecker/old_ver.json~
@@ -0,0 +1,15 @@
+{
+  "version": 2,
+  "data": {
+    "codebook": {
+      "version": "0.2.11",
+      "gitref": "refs/tags/v0.2.11",
+      "url": "https://github.com/blopker/codebook/releases/tag/v0.2.11"
+    },
+    "iwe": {
+      "version": "iwe-v0.0.31",
+      "gitref": "refs/tags/iwe-v0.0.31",
+      "url": "https://github.com/iwe-org/iwe/releases/tag/iwe-v0.0.31"
+    }
+  }
+}
diff --git a/.config/yadm/tracked b/.config/yadm/tracked
index e4f6f66c..8d064b9c 100644
--- a/.config/yadm/tracked
+++ b/.config/yadm/tracked
@@ -69,3 +69,4 @@
 .config/just
 .config/codebook
 .config/rbw
+.config/nvchecker